The Timken Company 416624 Radial Shaft Oil Seal

The Timken National 416624 radial shaft oil seal is a Type 41, multi-lip, spring-loaded seal designed to retain lubricants and prevent contaminants from entering rotating equipment. It is intended for general-purpose industrial shaft sealing and is commonly used in gearboxes, pumps, electric motors, conveyors, and compressors where dependable shaft sealing is essential. The seal is part of the 410000 series, with a nitrile (NBR) sealing element and a steel case with inner case. Key dimensions include a shaft diameter of 3.500 in (88.900 mm), an outside diameter of 4.381 in (111.277 mm), a housing bore of 4.376 in (111.150 mm), and an overall width of 0.500 in (12.700 mm). Redi-Coat is included for easier installation, and the maximum shaft surface speed is 3000 ft/min. Misalignment tolerance is 0.015 in at 800 rpm and 0.010 in at 4200 rpm. The operating temperature range is -40°F to 225°F (-40°C to 107°C). Common replacements include SKF 416624, CR 416624, and National 416624. This part is identified by Manufacturer Part Number 416624. Applications span industrial machinery, manufacturing equipment, pumps, reducers, conveyors, and electric motors requiring reliable shaft sealing.